1st Winter. 



<e!|^ • ■ 



Fig. 30. — Scale of a late-descending Sea-trout Smolt. ( x 40.) 



The fish had spent four winters in fresh water. It was caught in Lo( h [.oniond 

 on i:itli August. 1914. Weight, lib. Length, 9-i- in. Age, over 4 years. 



See page 105. 



